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 Frontline Fuses


Frontline product families are designed for today's demanding electronic and electrical industries. Its resettable feature, compact size, flexible construction, low thermal output and competitive cost out-performed the traditional fuse, Ceramic PTC, Bimetal fuse and Current Control IC. They are ideal for all low voltage DC and AC application. Frontline resettable fuse are offered in a variety of constructions which include: Radial Leaded, Axial Leaded, Surface Mount and Custom Design.
Frontline Fuses offers a wide variety of Polymeric PTC resettable fuses to fulfill the needs of modern demanding high-tech applications. They include, but not limited to: Telecommunications, Networks, Computers & Peripherals, Notebook PC's, Primary & Secondary Batteries, Automotives, Instrumentations & Industrial Controls, Power Supplies, and Consumer Electronics etc.

 Frontline Fuse Products

Resettable Fuses

You can Download a Full Version of Frontline Resettable Fuses Catalog Here (22.8mb)

Radial Leaded PTC Resettable Fuses

  • FRX Series - Low Hold Current, Solid State, Up to 60V
  • FRX90V Series - Low Hold Current, Solid State, Up to 90V
  • FRU Series - Low Resistance, High Hold Current, Solid State, Up to 30V
  • FRT Series - Fast trip time, Lower Trip-to-hold Ratio, Up to 36V
  • FUSB Series - Low Resisitance, Fast Trip Time, Lower Trip-To-Hold Ratio
  • FRG Series - Very High Hold Current, Solid State, Up to 16Vdc
  • FHT Series - Very Low resistance, Very High hold current, Solid state, Up to 16V/30V
  • FRHV Series - Low Hold Current, Solid State, Up to 0V/100V/250V
  • FRVL Series - Solid State, Up to 120V
  • FRV Series - Low Hold Current, Solid State, Up to 265VA

SMD PTC Resettable Fuses

Axial Leaded PTC Resettable Fuses

  • FSR Series - Low Profile, Solid State, 1.20A~4.20A
  • FVT Series - Low Profile, Solid State, 1.10A~2.40A
  • FVL Series - Low Profile, Solid State, 1.70A~2.30A
  • FLR Series - Low Profile, Solid State, 1.90A~7.30A

Low Rho PTC Resettable Fuses

 Frontline Fuses Cross Reference Guide

Choose the manufacturer of your Resettable Fuses from the pulldown menu below to locate a compatible Frontline Fuses replacement.
The purpose of the Cross Refererce Guide is to assist you in searching for a part on our linecard by the manufacturer which is similar in function to products of other companies. SRI is suggesting the list is not meant to be an EXACT cross to other products. These comparative listings have been checked for accuracy. SRI cannot, however, accept responsiblity for changes, typos, errors, or omissions. The products listed as crosses are recommended starting points for searching for an equivalent-part.

SRI strongly recommends evaluating data sheets of the products you are comparing before purchasing the product. In some instances, the items are not exactly equal. Please note the differences in the specs; such as, ampere ratings, voltage ratings, and physical color when looking for alternates to these products. These products are, in the manufacturer's opinion, similar and can be used for the same purpose.

If you need assistance in crossing parts, or have other related questions, please e-mail or call us 1-800-356-0259

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Frontline Fuses Cross From
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**Specifications subject to changes**


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